code: def setUpClass(cls):
      cls.kwargs = {
          "host": "examplecluster.abc123xyz789.us-west-1.redshift.amazonaws.com",
          "port": 5439,
          "database": "dev",
          "user": "awsuser",
          "password": "my_password",
      }
      cls.handler = RedshiftHandler("test_redshift_handler", cls.kwargs)
  
file_path: mindsdb/mindsdb/integrations/handlers/redshift_handler/tests/test_redshift_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.redshift_handler.redshift_handler import RedshiftHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the RedshiftHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types